import turtle
t = turtle.Turtle()
t.pensize(4)
t.color("red")
t.left(90)
t.forward(100)
t.right(90)
t.forward(50)
t.right(90)
t.forward(50)
t.left(90)
t.forward(50)
t.left(90)
t.forward(50)
t.right(90)
t.forward(50)
t.right(90)
t.forward(100)
t.right(90)
t.forward(150)
